Senior Network Security Engineer

Responsibilities

• Own and operate HCF's enterprise network and security platforms across on‑prem, data centre, cloud, and branch environments.
• Provide Tier 3 support for complex incidents, including incident leadership, root cause analysis, and remediation.
• Maintain and update HCF's network systems, including lifecycle management, upgrades, and vulnerability mitigation of enterprise networks.
• Act as a technical authority for enterprise networks, availability, performance, segmentation, and secure traffic flows.
• Configure and optimise firewall policies, threat prevention, and traffic inspection.
• Support cloud and hybrid networking, with a strong focus on AWS networking.
• Apply cyber risk management practices aligned with NIST, CISM principles, and HCF standards.
• Strong stakeholder management skills and ability to independently collaborate with vendors and service providers to deliver reliable, secure outcomes.
• Mentor junior engineers and uplift engineering practices.
• Maintain clear documentation, standards, runbooks, and operational procedures.
• Essential Skills
• 8+ years' experience in senior network and security engineering roles within large enterprise or regulated environments.
• Strong hands‑on experience with Cisco (Routing, Switching, ACI, DC, Wireless, ISE), Palo Alto, SD‑WAN, Infoblox, and F5/NGINX.
• Strong experience working on enterprise networks and managing complex environments.
• Proven experience designing and operating AWS networking, including VPCs, Transit Gateway, and security controls.
• Understanding of hybrid cloud (AWS and Azure) networking concepts.
• Experience with network automation and monitoring tools
• Scripting skills using Python and/or PowerShell and understanding of IaC(Terraform, CI/CD).
• Strong understanding of network security, vulnerability management, and compliance.
• Excellent problem‑solving, handling escalations, and stakeholder communication skills.
• Desirable
• Experience with Security Service Edge (SSE) and Zero Trust architectures.
• Background in healthcare or financial services.
• Relevant certifications (e.g. CCNP, PCNSE, AWS Solutions Architect).
• About HCF
• Culture & Benefits
• Purpose-driven passion
• We're united by a common purpose: to make healthcare affordable, understandable, high quality and member-focused.
• Wellness and work-life balance
• We'll empower you with the necessary skills and tools to support your personal wellbeing journey, ensuring you perform at your best. Our offerings include:
• Flexible working arrangements
• 50% subsidy on HCF hospital and/or extras cover
• Family-friendly certified employer
• 18 weeks of parental leave for all new parents
• Mental health and wellbeing programs, including workshops, fitness classes, flu vaccinations, skin checks and more
• Discounts on HCF's products, including life, pet and travel Insurance, as well as discounts at Fitness First gyms and on our eyecare products.
• Collaboration and inclusivity
• Continuous learning and growth
• We believe in lifelong learning. HCF provides opportunities for personal and professional development. From workshops to mentorship programs, we encourage your growth and curiosity.
• Next steps
• If you require any adjustments to assist you in making your application or during the recruitment or onboarding process, please reach out to Talent Acquisition - peopleservices@hcf.co

Benefits

Additional Information

The Senior Network & Security Engineer is responsible for the secure, reliable operation and continuous improvement of HCF's enterprise network and security platforms across on premises, data centre, cloud, and branch environments. This is a hands on senior engineering role acting as a Tier 3 escalation point and technical authority across routing, switching, firewalls, wireless, SD WAN, and application delivery technologies. You will own critical platforms end to end, lead complex incident response, and drive improvements aligned with HCF cyber security standards and regulatory requirements.

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